#478DDB#478DDB

#478DDB is a light, vivid cyan. Relative luminance 0.255; OKLCH L 63.4% C 0.138 H 252.9°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX#478DDB
RGBrgb(71, 141, 219)
HSLhsl(212, 67%, 57%)
HSVhsv(212, 68%, 86%)
CMYKcmyk(67.6%, 35.6%, 0%, 14.1%)
CIE-LABlab(57.56, 2.88, -46.29)
CIE-LCHlch(57.56, 46.38, 273.56°)
OKLaboklab(63.43% -0.0403 -0.1315)
OKLCHoklch(63.43% 0.138 252.9)
XYZxyz(24.9049, 25.5012, 70.6138)
Luminance0.2550 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#478DDB #DB9547
analogous
#47D7DB #478DDB #4B47DB
triadic
#478DDB #DB478D #8DDB47
tetradic
#478DDB #DB47D7 #DB9547 #47DB4B
square
#478DDB #DB47D7 #DB9547 #47DB4B
split-complementary
#478DDB #DB4B47 #D7DB47
monochromatic
#1B518C #256EBF #478DDB #7AADE5 #ADCCEF

Accessibility & contrast

On white

3.44
#478DDB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.10
#478DDB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #478DDB
6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##478DDB#FFFFFF#000000##000000
##478DDB1.003.446.106.10
#FFFFFF3.441.0021.0021.00
#0000006.1021.001.001.00
##0000006.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A92DE
Deuteranopia (green-blind)
#5584D9
Tritanopia (blue-blind)
#009FAA
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #478ddb;
/* rgb */ color: rgb(71, 141, 219);
/* oklch */ color: oklch(63.4% 0.138 252.9);
Tailwind
colors: {
  custom: {
    50: '#8aade6',
    500: '#478ddb',
    950: '#000000',
  },
}
SCSS
$custom: #478ddb;
$custom-light: #8aade6;
$custom-dark: #000000;
JSON
{
  "hex": "#478ddb",
  "rgb": {
    "r": 71,
    "g": 141,
    "b": 219
  },
  "hsl": {
    "h": 211.622,
    "s": 67.273,
    "l": 56.863
  },
  "oklch": {
    "l": 0.63426,
    "c": 0.13752,
    "h": 252.9
  },
  "luminance": 0.25504
}

Semantic roles & 50–950 ramp

primary
#478DDB
secondary
#DDC1A1
accent
#993EEA
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #478DDB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#478DDB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva